v0.3.40

• Add Opal::Server as an easy to configure rack server for testing and
  running Opal based apps.

• Added optional arity check mode for parser. When turned on, every method
  will have code which checks the argument arity. Off by default.

• Exception subclasses now relfect their name in webkit/firefox debuggers
  to show both their class name and message.

• Add Class#const_set. Trying to access undefined constants by a literal
  constant will now also raise a NameError.

v0.3.39

• Fix bug where methods defined on a parent class after subclass was defined
  would not given subclass access to method. Subclasses are now also tracked
  by superclass, by a private '_inherited' property.

• Fix bug where classes defined by Class.new did not have a constant scope.

• Move Date out of opal.rb loading, as it is part of stdlib not corelib.

• Fix for defining methods inside metaclass, or singleton_class scopes.

v0.3.38

• Add Native module used for wrapping objects to forward calls as native calls.

• Support method_missing for all objects. Feature can be enabled/disabled on Opal::Processor.

• Hash can now use any ruby object as a key.

• Move to Sprockets based building via Opal::Processor.

v0.3.37

• Extract the JavaScript runtime to opal/runtime.js
• Add core template.rb for the basis of template libraries for Opal

v0.3.36

• Use Ruby require directive inside Sprockets
• Depreceate Opal.process in favour of Opal::Environment

v0.3.35

• Internal cleanup

v0.3.34

• Fix bug where camelcased lvars could parse as constants
• Add Array#shuffle
• Migrate to Sprockets-based building
• Move ERB to separate gem

v0.3.33

• Implement attr_reader/writer/accessor for dynamic uses
• Hash internals update